A government announces that it wants faster growth, lower unemployment, stable prices and a healthier trade position. Every one of those sounds obviously desirable, and no sensible person would argue against any of them. The difficulty is that pursuing one of them hard enough tends to damage another, and no policy exists that improves all four at once. Macroeconomic policy is not a list of good intentions. It is a series of choices about which objective to sacrifice.
What governments are trying to do
Governments act in an economy in several distinct roles at once. They produce goods and services directly, running schools, hospitals and defence. They employ a large share of the workforce. They regulate the behaviour of firms, setting standards and enforcing competition. They redistribute income through taxes and benefits. And above all these, they attempt to manage the economy as a whole. It is that last role, macroeconomic management, that this note is about.
Macroeconomic aims
The main objectives a government pursues for the economy as a whole: economic growth, low unemployment, price stability, a stable balance of payments position and a fairer distribution of income.
Each aim has a reason behind it, and stating the reason rather than just the aim is what turns a list into an answer. Economic growth raises output and therefore average incomes and living standards. Low unemployment means fewer people without income and less output wasted, and it reduces the benefit bill. Price stability protects the value of money and of savings, and makes planning possible for households and firms. Balance of payments stability matters because a persistent current account deficit has to be financed by borrowing or by selling assets. Redistribution addresses the fact that a growing economy does not automatically share its gains.
Two further aims have become central. Environmental sustainability means meeting present needs without damaging the ability of future generations to meet theirs, by limiting pollution, carbon emissions and the using up of natural resources. And governments set criteria to judge whether each aim is being met: an inflation target, often around 2% a year; an unemployment rate close to the level caused only by people moving between jobs; steady growth of real GDP at a rate the economy can sustain; a current account that can be financed without difficulty; a fall in measures of inequality; and targets for cutting carbon emissions by a set date.
Questions asking for macroeconomic aims are usually worth two or four marks and want distinct aims, not one aim in four costumes. 'Low unemployment' and 'more people in work' are the same answer twice. Where the marks allow, add the reason: 'price stability, so that the value of savings is protected' is a fuller answer than 'low inflation' and often earns the second mark.
Unemployment rate = (number unemployed / labour force) x 100The labour force is those working plus those actively seeking work. People who are not looking for work, such as students, the retired and those unable to work, are outside it entirely and are not counted as unemployed. Formulae are not printed in any 9708 paper, so recall it.
Calculating an unemployment rate from population data
A country has a population of 40 million. Of these, 24 million are in the labour force and 22.2 million are employed. Calculate the number unemployed and the unemployment rate. Then explain why the rate would fall if discouraged workers stopped looking for work.
Why the aims conflict
The clearest conflict is between growth and inflation. A government stimulating the economy to raise output and cut unemployment is increasing total demand, and if the economy is already near its capacity, the extra demand pushes prices up rather than output. The second conflict runs through trade. As incomes rise, households buy more of everything, including imports, so a policy that succeeds in raising growth tends to worsen the current account. A third conflict is between growth now and growth later, since building the factories and infrastructure that raise future output means producing fewer consumer goods today.
The newest conflict is between economic growth and environmental sustainability. Producing more goods usually means using more energy and raw materials and creating more pollution and waste, so fast growth can damage the environment that future output depends on. Policies to protect the environment, such as taxes on pollution or strict rules on emissions, raise firms' costs and can slow growth in the short run. The conflict can be eased by growth that relies on cleaner technology and renewable energy, which is why governments try to make growth greener rather than simply slower.
Draw a production possibility curve with capital goods on one axis and consumer goods on the other. Mark two points, one with high consumer goods output and one with high capital goods output. Then sketch where each economy's PPC would sit several years later.
This is the growth-now-against-growth-later conflict in a single picture. The economy choosing more consumer goods enjoys higher living standards today but its curve shifts out less. The one choosing capital goods sacrifices present consumption for a larger curve later. Neither choice is wrong, which is exactly why it is a conflict rather than a mistake.
A country's unemployment rate falls from 8% to 7% while the number of people employed is unchanged. The most likely explanation is:
A government successfully raises economic growth. Which macroeconomic aim is most likely to be harmed as a result?
The objectives stated precisely
At AS the objectives need to be stated in the form governments actually use. Price stability usually means an inflation target, commonly around 2% and symmetric, so undershooting counts as a miss. Full employment does not mean zero unemployment, since frictional unemployment exists in any healthy economy where people move between jobs; it means unemployment at its natural rate. Economic growth is normally expressed as sustainable growth in real GDP, with sustainable carrying two meanings that are worth separating: growth that does not generate inflation, and growth that does not exhaust environmental resources. Balance of payments stability means a current account position that can be financed indefinitely, not necessarily a balance of zero.
Price stability protects two different values of money. The internal value of money is its purchasing power at home, the quantity of goods and services a unit of currency can buy; inflation reduces it, and deflation raises it. The external value of money is its value in terms of other currencies, which is the exchange rate. The two are linked, since a country with faster inflation than its trading partners tends to see its exchange rate fall over time, but they can move separately in the short run, for example when interest rate changes move the exchange rate without any change in domestic prices.
How pursuing growth undermines price stability
- The government uses expansionary fiscal or monetary policy to raise growth and cut unemployment.
- Aggregate demand shifts right as consumption, investment and government spending rise.
- Firms increase output to meet the extra orders, and real GDP rises.
- As output approaches capacity, spare resources become scarce and the AS curve steepens.
- Firms competing for a shrinking pool of available labour bid wages up faster than productivity is growing.
- Unit labour costs rise, so firms raise prices to protect their margins.
- The price level rises more quickly, so the inflation objective is missed even as the growth and employment objectives are met.
- If the central bank then tightens policy to restore price stability, the growth gained is partly given back.
The final step is what makes this a conflict rather than a side effect. The two objectives are not merely in tension: the instrument used to fix one actively reverses the other. AO2 is 40% of the written papers and this chain is reusable across most policy-conflict questions.
Practise this chain →Draw an AD/AS diagram with an AS curve that is flat at low output and steepens towards full capacity. Show the same rightward shift of AD twice: once starting from deep recession, once starting near capacity. Label the change in real output and in the price level in each case.
The conflict is not constant, it varies with the starting position, and this diagram shows why. In deep recession the shift is nearly all output and almost no inflation, so growth and price stability barely conflict at all. Near capacity it is nearly all price level. Candidates who say the severity of the conflict depends on the output gap, and use this to say so, are reasoning as the examiner wants.
The growth and current account conflict works through the marginal propensity to import. As national income rises, spending on imports rises with it, so a successful demand-led expansion pulls in foreign goods and worsens the trade balance. The conflict is sharper the more open the economy and the higher its import propensity, which is why small open economies feel this constraint far more acutely than large ones. Policy can attack the import side instead through protectionism or depreciation, but both carry costs of their own, and depreciation raises import prices, which feeds back into the inflation objective.
Why is the conflict between economic growth and price stability weaker in a deep recession than near full capacity?
Applied context
The period from 2021 onwards put the conflict on public display across many economies at once. Unemployment fell to historically low levels while inflation rose well above target, and central banks tightened policy knowing that doing so risked recession. The episode is useful in an answer because the policy debate was conducted openly in terms of the trade-off: how much unemployment was acceptable to bring inflation back to target, and how quickly. It also illustrates the complication that supply shocks bring, since part of the inflation came from energy and supply chains rather than from excess demand, and demand-side tightening is a poor instrument against a supply-side cause.
The second half is the more sophisticated point. When inflation is cost-push rather than demand-pull, the usual conflict framing partly breaks down, because contractionary policy then worsens output without addressing the cause.
The Phillips relationship
The inflation and unemployment conflict has a formal statement. The short-run Phillips curve shows an inverse relationship: lower unemployment comes with higher inflation, because a tighter labour market bids wages up. The long-run curve is vertical at the natural rate of unemployment, and the reasoning is about expectations. A government that expands demand to push unemployment below the natural rate succeeds only while workers are surprised by the resulting inflation and accept real wage cuts they did not intend. Once expectations adjust, workers demand compensating wage rises, firms pass them on, and unemployment returns to the natural rate at a permanently higher inflation rate. The economy ends where it started on unemployment and worse off on inflation.
Two conclusions follow and both are examinable. First, there is no long-run trade-off to exploit, so demand management cannot permanently lower unemployment; only supply-side measures that reduce the natural rate can. Second, credibility has value in its own right, because if a central bank is believed when it commits to a target, expected inflation stays anchored and disinflation costs less output. The sacrifice ratio, the output forgone per percentage point of inflation reduced, is lower for a credible policymaker than for one nobody believes, which is a substantial part of the case for central bank independence.
Approximate growth in real GDP per capita = growth in real GDP - growth in populationThis is the link between the growth objective and living standards, and the reason the two are not the same thing.
Whether growth is actually raising living standards
An economy records real GDP growth of 3.2% while its population grows by 2.1%. Calculate the approximate growth in real GDP per capita. Then explain two reasons why even this figure may overstate the improvement in living standards.
Why macroeconomic problems arrive together rather than separately
- A demand-led expansion raises real output and reduces unemployment below the natural rate.
- The tighter labour market raises wage growth beyond productivity growth, so unit labour costs and then prices rise.
- Higher domestic inflation makes exports less price competitive while rising incomes raise import demand, so the current account deteriorates.
- The central bank raises interest rates to return inflation to target.
- Higher rates attract capital inflows and the currency appreciates, further weakening export competitiveness.
- Higher rates also reduce investment, so the economy's future productive capacity grows more slowly.
- Slower capacity growth means the same demand generates inflation at a lower level of output next time, tightening the constraint permanently.
- One expansionary decision has therefore moved inflation, the current account, the exchange rate and long-run growth, which is what 10.2 means by interrelatedness.
Questions on links between macroeconomic problems reward exactly this kind of tracing. The step most candidates miss is the last but one: that the policy response to inflation damages the capacity that would have relieved the inflation.
Practise this chain →There is a structural reason why governments cannot simply pursue every objective at once. A policymaker needs at least as many independent instruments as it has targets, since one instrument moved in one direction cannot satisfy two targets that require it to move in opposite directions. A government with fiscal policy, monetary policy and supply-side policy has three broad instruments against five or six objectives, so some objectives must be assigned to instruments that affect them best and others accepted as constraints rather than targets. This is why monetary policy is typically assigned to inflation, supply-side policy to long-run growth and the natural rate, and fiscal policy to stabilisation and distribution. Conflicts persist because the assignment is imperfect and the instruments are not truly independent of one another.
Applied context
Developing economies face a sharper version of the same problem, which is worth carrying into any question that specifies one. Growth requires imported capital equipment, so a growth push worsens the current account immediately and often faster than in an advanced economy. Foreign currency debt makes depreciation dangerous rather than merely corrective, because the domestic cost of servicing that debt rises just as the currency falls. And weaker institutional capacity limits which instruments are usable at all, since inflation targeting requires a credible central bank and fiscal stabilisation requires a tax base that can actually be collected. The result is that the same conflicts bind harder and with fewer instruments available to manage them.
Use this where a question names a developing country. Your Paper 4 bank asks directly whether unemployment should be the main objective for a developing country's government, and that question turns on precisely these constraints.
This note is the junction the rest of macroeconomics passes through. Each of the three instrument notes analyses one tool; this is where they are weighed against each other and against the objectives. It reaches into the balance of payments and exchange rates, since the external constraint is one of the binding limits on demand-led growth. It reaches into equity and redistribution, because the distributional objective conflicts with the efficiency case for several growth-raising measures. And it reaches into development, where the same conflicts appear with tighter constraints and fewer usable instruments.
9708-5.2 · 9708-5.3 · 9708-5.4 · 9708-6.3 · 9708-6.4 · 9708-8.2 · 9708-9.2 · 9708-9.3 · 9708-11.1 · 9708-11.3
Discuss whether government macroeconomic aims of full employment, economic growth and price stability are likely to conflict with each other. (13 marks)
- Define and frameDefine all three aims precisely: full employment as unemployment at the natural rate rather than zero, growth as sustainable growth in real GDP, price stability as inflation at target. State the position you will defend up front, that conflict is conditional rather than automatic, and that the condition is the amount of spare capacity.
- Analysis: where they conflictRun the demand chain from expansion through a tightening labour market to unit labour costs and inflation, supported by an AD/AS diagram with AS steepening near capacity. Add the Phillips curve to formalise the employment and inflation trade-off in the short run. Note the self-defeating loop: the tightening used to restore price stability reverses the growth and employment gains.
- Analysis: where they are complementaryThis is what separates a good answer, since most candidates only argue one side. Below capacity all three improve together, because AD expansion raises output and employment with little price effect. Supply-side improvement raises growth, lowers the natural rate and eases price pressure simultaneously, so the LRAS route delivers all three at once. Long-run price stability supports growth by making investment planning possible, so the aims reinforce each other over a long horizon.
- EvaluationWeigh the conditions rather than listing objections. The output gap determines whether conflict appears at all. The time horizon matters, since conflicts are short-run phenomena while complementarity dominates in the long run. The source of inflation matters, because a supply shock breaks the standard framing and makes demand tightening costly and ineffective. And the instrument matters: demand-side policy forces the trade-off, supply-side policy can avoid it but works far too slowly to help with an immediate problem.
- JudgementConclude conditionally and specify the conditions. The aims conflict in the short run when the economy is near capacity and policy is demand-side; they are broadly complementary when there is a substantial output gap, over long horizons, and where policy is supply-side. A government's real task is therefore not choosing between the aims but choosing instruments whose conflicts it can tolerate, and sequencing them. A conclusion asserting that the aims 'always' or 'never' conflict will not reach the top level whichever way it goes.
This is a real question from November 2016, Paper 4. Note that it names three aims and not four; do not import the balance of payments unless you use it to support a point about the three. AO3 is 30% of the marks and roughly a third of writing time belongs in the last two sections.
Which objective should take priority?
- The case for prioritising price stability is that inflation erodes the value of savings, distorts investment decisions and, once expectations become unanchored, is expensive to reverse. Against it, treating inflation as paramount can mean tolerating avoidable unemployment, and the costs of unemployment fall on identifiable people while the costs of moderate inflation are diffuse.
- The case for prioritising employment is that unemployment carries lasting personal costs, and long spells erode skills so that cyclical unemployment hardens into structural, permanently raising the natural rate. Against it, pushing below the natural rate buys nothing lasting and leaves higher inflation behind.
- The case for prioritising growth is that it funds everything else, since a larger economy makes both redistribution and public services affordable without raising tax rates. Against it, measured growth can rise while median living standards stagnate, and growth that depletes environmental capital borrows from the future rather than creating value.
- Priorities are not fixed and should not be argued as if they were. The right answer depends on the current position: at 12% unemployment with inflation at target, employment plainly comes first; at 2% unemployment with inflation at 9%, it plainly does not.
- The instrument assignment problem constrains the choice more than the ranking does. With fewer independent instruments than objectives, some aims must be treated as constraints rather than targets, and arguing about priority without acknowledging that is arguing about something the government cannot fully control.
- The strongest answers reject the premise that a single objective should hold permanent priority, and instead specify which conditions make which objective urgent. Naming the trigger, an output gap, an inflation rate, a debt trajectory, is what turns a preference into economics.
Policy conflict questions are among the most predictable on Paper 4 Section C, and the commonest failure is a one-sided answer arguing only that the aims conflict. The examiner is looking for the conditions under which they do not: substantial spare capacity, a long time horizon, and supply-side rather than demand-side instruments. An answer that gives both sides and then specifies which conditions decide the matter is doing exactly what the mark scheme rewards.